Replace your worn 26 spline rear side gears or use these in your front axle when installing upgraded front axle shafts.
The better aftermarket axle shafts for front Samurai birfield axles are 26 spline. Just like the Suzuki Samurai rear axles. Matching the front side gears to the new sized axles is required. The least expensive way do this is new side gears.
The more expensive methods would be
26 SPLINE MINI SPOOL
26 SPLINE COUPLED LOCKER
26 SPLINE AIR LOCKER
26 SPLINE LIMITED SLIP CARRIER
Sold as a pair ONLY. 2 Side gears are required